Thermal imaging has been used to identify which houses on a block are cannabis grow operations. It's as simple as comparing the intensity and nature of the structures' heat signatures.
Not too long ago, the technology was ridiculously expensive. Today, even growers can afford it.
Outdoor growers might use this device to observe night-time animal intruders.
FLIR one transforms your phone or tablet into a powerful thermal imager. Simply attach FLIR one to your iOS device, and use the FLIR one to detect hundreds of issues in and around the home. FLIR one works by showing you differences in heat energy, so you can detect and measure tiny changes in heat. This lets you see clearly in total darkness, find invisible energy leaks, know what's going on outside your house at night, and much more.